WIP

lib/shared/widgets/read_view.dart

@@ -3,6 +3,7 @@ import 'dart:io';
 import 'package:flutter/material.dart';
 import 'package:hub/features/backend/index.dart';
 import 'package:hub/flutter_flow/index.dart';
+import 'package:hub/shared/utils/dialog_util.dart';
 import 'package:hub/shared/widgets.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:pdfx/pdfx.dart';
@@ -44,58 +45,78 @@ class ReadView extends StatefulWidget {
 
 class ReadViewState extends State<ReadView> {
   Future<ReadViewController> _initializePdf() async {
-    final file = await downloadPdf(widget.url);
-    final Future<DocumentType> document = DocumentType.openFile(file.path);
-    return ReadViewController(document: document);
+    try {
+      final file = await downloadPdf(widget.url);
+      final Future<DocumentType> document = DocumentType.openFile(file.path);
+      return ReadViewController(document: document);
+    } catch (e) {
+      logError('Erro ao baixar o PDF', e);
+      return Future.error(e);
+    }
   }
 
   Future<File> downloadPdf(String url) async {
-    final response = await http.get(Uri.parse(url));
-    if (response.statusCode == 200) {
-      final bytes = response.bodyBytes;
-      final dir = await getTemporaryDirectory();
-      final file = File('${dir.path}/downloaded.pdf');
-      await file.writeAsBytes(bytes);
-      return file;
-    } else {
-      throw Exception('Falha ao baixar o PDF');
+    try {
+      final response = await http.get(Uri.parse(url));
+      if (response.statusCode == 200) {
+        final bytes = response.bodyBytes;
+        final dir = await getTemporaryDirectory();
+        final file = File('${dir.path}/downloaded.pdf');
+        await file.writeAsBytes(bytes);
+        return file;
+      } else {
+        throw Exception('Falha ao baixar o PDF');
+      }
+    } catch (e) {
+      logError('Erro ao baixar o PDF', e);
+      rethrow;
     }
   }
 
+  void logError(String message, dynamic error) {
+    log('$message: $error');
+    DialogUtil.error(context, message);
+  }
+
   @override
   Widget build(BuildContext context) {
     return Stack(
       children: [
-        _buildPDFViewer(),
-        buildShareButton(),
+        _buildPDFViewer(context),
+        buildShareButton(context),
       ],
     );
   }
 
-  Positioned buildShareButton() {
+  Positioned buildShareButton(BuildContext context) {
+    final theme = FlutterFlowTheme.of(context);
     return Positioned(
       bottom: 10,
       right: 10,
       child: IconButton(
         icon: Icon(
           Icons.share,
-          color: Colors.black,
+          color: theme.primaryText,
         ),
-        color: Colors.black,
+        color: theme.primaryText,
         onPressed: onShare,
       ),
     );
   }
 
   void onShare() async {
-    final Uri uri = Uri.parse(widget.url);
-    final response = await http.get(uri);
-    if (response.statusCode == 200) {
-      final XFile xfile = XFile.fromData(response.bodyBytes,
-          name: '${widget.title}.pdf', mimeType: 'application/pdf');
-      await Share.shareXFiles([xfile], text: 'Confira este PDF!');
-    } else {
-      log('Erro ao baixar o arquivo: ${response.statusCode}');
+    try {
+      final Uri uri = Uri.parse(widget.url);
+      final response = await http.get(uri);
+      if (response.statusCode == 200) {
+        final XFile xfile = XFile.fromData(response.bodyBytes,
+            name: '${widget.title}.pdf', mimeType: 'application/pdf');
+        await Share.shareXFiles([xfile], text: 'Confira este PDF!');
+      } else {
+        throw Exception('Erro ao compartilhar o arquivo: ${response.statusCode}');
+      }
+    } catch (e) {
+      logError('Erro ao compartilhar o arquivo', e);
     }
   }
 
@@ -112,12 +133,19 @@ class ReadViewState extends State<ReadView> {
     );
   }
 
-  Widget _buildPDFViewer() => Padding(
+  Widget _buildPDFViewer(BuildContext context) => Padding(
         padding: EdgeInsets.all(10),
         child: FutureBuilder<ReadViewController>(
             future: _initializePdf(),
             builder: (context, snapshot) {
               if (!snapshot.hasData) return buildLoadingIndicator(context);
+              if (snapshot.error != null) {
+                return buildLoadingIndicator(context);
+              }
+              if (snapshot.connectionState == ConnectionState.waiting) {
+                return buildLoadingIndicator(context);
+              }
+
               return PdfView(
                 controller: snapshot.data!,
                 renderer: (PdfPage page) => page.render(
@@ -134,6 +162,4 @@ class ReadViewState extends State<ReadView> {
               );
             }),
       );
-
-  // Widget get progressIndicator => LoadingUtil.buildLoadingIndicator(context);
 }